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BEADS, short for Biodetection Enabling Analyte Delivery System, is a sample preparation system developed in the William R. Wiley Environmental Molecular Sciences Laboratory to concentrate large volumes of environmental samples into small, clean samples that can be used in biodetectors to quickly identify pathogens.

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Document Title: BEADS
Category: EMSL (William R. Wiley Environmental Molecular Sciences Laboratory), Environmental Remediation, Security: Local-National-International
Media Type: Photos
Date of Image/Photo: 2002
Background: Rapid detection of biological threats requires more than a detector. BEADS, short for Biodetection Enabling Analyte Delivery System, was created to fill the gap between dirty environmental samples containing potential biothreats and sensitive detectors requiring a purified cell, proteins or DNA. BEADS isolates bacteria, spores, viruses and their DNA from air, dirt or water samples. The PNNL-developed technology is fully automated so that detectors can analyze samples and monitor for threats without requiring a person to manually prepare the samples. With BEADS sample preparation systems as a front-end technology, detectors can be deployed as unattended biothreat monitors. With Navy funding, BEADS is being developed to monitor for infectious diseases that may threaten military personnel, while DOE is pursuing BEADS as a front-end technology for multiplexed biodetection units for homeland defense applications.
URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/AMER-5A7RK5

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